Search:

Type: Posts; User: hivacjack

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Replies
    50
    Views
    5,486

    .......I agree with your comments as regards to...

    .......I agree with your comments as regards to most but not all production
    builders, but I hope you understand that custom building is a somewhat different animal with higher expectations for...
  2. Replies
    50
    Views
    5,486

    ..........? are you refering to the guy waving...

    ..........? are you refering to the guy waving from the back of the truck? :):):)
  3. Replies
    50
    Views
    5,486

    .........call 4 companies and chances are you...

    .........call 4 companies and chances are you will get 4 different results. Sorry, but the competence behind the Manual J calculations (and therefore the reliability of the results) is no better in...
  4. Replies
    50
    Views
    5,486

    .......I don't believe that HOME DEPOT vets thier...

    .......I don't believe that HOME DEPOT vets thier TRANE install contractors for quality. The store closest to me happens to use a firm with about the
    highest no of BB complaints and lawsuit...
  5. Replies
    9
    Views
    4,121

    ........you need to compare the output from a...

    ........you need to compare the output from a Manual J compliant load calculation to the MFR's capacity vrs ODT data. Then augment that with some common sense guesses with respect to percieved...
  6. Replies
    21
    Views
    1,277

    .......if your calc says 24K SENSIBLE then 3 TON...

    .......if your calc says 24K SENSIBLE then 3 TON is where you want to be. The sensible cooling for most 3 TON HP's (or AC) will be in the 25-27.5K BTUH
    range. And thats before derating for ID design...
  7. Thread: Carbon M ??

    by hivacjack
    Replies
    16
    Views
    1,330

    ....so what levels of CO might be found in a...

    ....so what levels of CO might be found in a conventional woodburning FP?
  8. ........go to jdpower.com and incert HVAC into...

    ........go to jdpower.com and incert HVAC into the search window.
  9. .....it so happens that the 2twr4048 has been...

    .....it so happens that the 2twr4048 has been discontinued. Why talk about it. Some including me might consider it somewhat unethical to sell and install it over a current and much improved CURRENT...
  10. Replies
    18
    Views
    8,456

    The 2007 one ranks Trane #1...

    The 2007 one ranks Trane #1
    http://www.jdpower.com/corporate/news/releases/pdf/2007135.pdf

    Note that the 2006 survey gave warranty and repair service, ordering proccess, and sales/marketing...
  11. .......speaking of old WEATHERTRONS does anyone...

    .......speaking of old WEATHERTRONS does anyone remember how much the capacity fell off between 47F and 17F? I'm sure there were no ARI ratings
    in 1982, but leaving efficiency aside, has the low...
  12. Replies
    18
    Views
    8,456

    [QUOTE=beenthere;1708165]I've sold and installed...

    [QUOTE=beenthere;1708165]I've sold and installed Goodman for private residence, and apartment complexes.

    I've used Goodman in some small commercial applications.
    Along with all the other popular...
  13. Replies
    15
    Views
    1,468

    ..........how do you axcess the GOODMAN spec...

    ..........how do you axcess the GOODMAN spec pages??
  14. Replies
    12
    Views
    2,192

    Sequencers are a high voltage time delay that...

    Sequencers are a high voltage time delay that delays the voltage being sent heat strips, so that they are staged(first bank on,delay, second bank).[/QUOTE]


    Most 15KW heaters consist of 3 5KW...
  15. Replies
    22
    Views
    5,636

    Pretty sorry that everyone's most beloved brand...

    Pretty sorry that everyone's most beloved brand can't always get the decent SEER. With some brands that can get 14 with just a coil and standard blower, pretty bad that A-S has trouble hitting 14...
  16. Replies
    2
    Views
    512

    ....plot the peak heat load presented by your...

    ....plot the peak heat load presented by your house vrs outdoor temperature for some desired indoor temperature.

    Plot the output capacity of your heat pump vrs OD temperature.

    Where the curves...
  17. Replies
    1
    Views
    493

    TRANE Air Handler Install

    .....the 4TEE series of convertible air handlers ships from the factory with the Right Horizontal drip pan installed as well as a wide baffle assembly attached to the apex of the coil. The...
  18. ....also if you have a 3 Ton heat-pump Air...

    ....also if you have a 3 Ton heat-pump Air Handler system with BAYHTR1415BRKR and have doubts about a flaky installer I would recomend verifying that your air handler's dip switch minimim air CFM...
  19. Replies
    12
    Views
    1,727

    ......the ACH value for a 2200sf house of...

    ......the ACH value for a 2200sf house of "average construction" in my software is .8. In real life you have to work pretty hard to get down to .3. Caulk EVERYTHING including all plates, rim boards,...
  20. Thread: Heat Pumps

    by hivacjack
    Replies
    2
    Views
    661

    ....at 0F you need to think about sufficiency not...

    ....at 0F you need to think about sufficiency not efficiency. The air source HP
    will be operating at less than less than half it's 47F capacity and the COP will be in the 2 or less range. At these...
  21. Replies
    12
    Views
    720

    "Also, a house with enough strip heat for design...

    "Also, a house with enough strip heat for design conditions will switch to emergency heat for the night. Saving themselves an after hours service charge that more then makes up for the extra electric...
  22. Replies
    12
    Views
    720

    Fossil fuel fired furnaces outnumber HP's by a...

    Fossil fuel fired furnaces outnumber HP's by a substantial margin. What do you
    think a customer would say to a proposal which suggests installing TWO gas
    fired furnaces in a mannar such that the...
  23. Replies
    12
    Views
    720

    .....is a dead condenser (at peak load...

    .....is a dead condenser (at peak load conditions) substantally more probable than a dead furnace at any load? At .125/Kwh the savings over the life of the life of the system will likely pay for it....
  24. Replies
    3
    Views
    966

    TRANE Strip Heater Staging

    BAYHTR1415BRK is set up to come on with 10Kw first and 5Kw second. And the Trane 10Kw heater (BATHTR1410) can't cant be staged at all. Any particular reason that the TRANE HP's need such a big kick...
  25. Replies
    12
    Views
    720

    Resistance Strip Sizing

    It seems the prevailing "wisdom" is to size the backup heaters to handle the entire design load. WHY? The IRC doesn’t seem to require redundancy in residential HVAC systems. In this particular case...
Results 1 to 25 of 43
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event